90221222002202 has 64 divisors (see below), whose sum is σ = 138204848832000. Its totient is φ = 44164360581120.

The previous prime is 90221222002193. The next prime is 90221222002207. The reversal of 90221222002202 is 20220022212209.

It is not an unprimeable number, because it can be changed into a prime (90221222002207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12983335424 + ... + 12983342372.

It is an arithmetic number, because the mean of its divisors is an integer number (2159450763000).

Almost surely, 2^{90221222002202} is an apocalyptic number.

90221222002202 is a deficient number, since it is larger than the sum of its proper divisors (47983626829798).

90221222002202 is a wasteful number, since it uses less digits than its factorization.

90221222002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8551.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 90221222002202 in words is "ninety trillion, two hundred twenty-one billion, two hundred twenty-two million, two thousand, two hundred two".